Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
EarthView - Free Cloud Data Download
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Desktop Earth - You should run it as admin.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Xplanet - Xplanet is free software, distributed according to the terms of the GNU General Public License.